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Twilio OA 2024 | Vanity Phone Numbers & Telecom Call Routing
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Sahil Jain • 0
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Twilio SDE Interview Question 2021 December | Trees | on-campus
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Twilio OA 2025 | String Compression, Rate Limiting & BFS Routing
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Twilio OA 2026 | Range Update Prefix Sums & Subarray Product Less Than K
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Twilio SDE Interview Question 2023 November | Graphs (BFS & DFS Integration) | Off-Campus
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Recent Replies

Answer: Bloomberg OA 2026 | Order Book Snapshot & Pinterest Viral Pin Tracker by Sahil Jain • 0
Solution - Order Book Snapshot Strategy Maintain Orders in a TreeMap for Constantly Sorted Storage. Approach Store all active orders …
Answer: ServiceNow SDE OA 2025 | Workflow Event Aggregator & Cloud Resource Allocation by Sahil Jain • 0
Solution - Workflow Event Aggregator Strategy Track active workflows using a HashMap. Approach Store every START event in a …
Answer: MercadoLibre SDE OA 2025 | Inventory Batch Partitioning & Price Surge Alerting by Sahil Jain • 0
Solution - Inventory Batch Partitioning Strategy Greedy Packing. Approach Maintain the current container weight. Add items…
Answer: Citadel ASE OA 2026 | Order Book Liquidity & Portfolio Dependency Resolver by Sahil Jain • 0
Solution - Order Book Liquidity Strategy Fixed Size Sliding Window + Frequency HashMap. Approach Maintain frequency counts f…
Answer: Roblox Backend Developer OA 2023 | Server Uptime Patching & Game Instance Load B by Sahil Jain • 0
Solution - Server Uptime Patching Strategy Variable Sliding Window. Approach Expand the window using a right pointer. Trac…
Answer: Uber SDE Off-Campus OA 2023 | Rating Forgiveness & Parallel Fleet Optimization by Sahil Jain • 0
Solution - Rating Forgiveness Strategy Variable Sliding Window with Non-Five Rating Tracking. Approach Maintain a sliding wi…
Answer: Stripe SDE OA 2024| API Rate Limiter Penalty & Payment Network Analysis by Sahil Jain • 0
Solution - API Rate Limiter Penalty Strategy Nested HashMap Based Traffic Aggregation. Approach Track successful requests pe…
Answer: Yelp Online Assessment 2024 | Rollover Business Hours & Spam Review Detector by Sahil Jain • 0
Solution - Rollover Business Hours Strategy Time Parsing with Interval Validation. Approach Convert all times into minutes f…
Answer: Spotify SDE OA 2025 | Perfect Playlist Duration & Smart Shuffle Algorithm by Sahil Jain • 0
Solution - Perfect Playlist Duration Strategy Prefix Sum + HashMap Frequency Tracking. Approach Maintain a running prefix su…
Answer: Snowflake Software Engineer OA 2025 | Data Pipeline Chunking & Cloud VPC Network by Sahil Jain • 0
Solution - Data Pipeline Chunking Strategy Binary Search on Answer. Approach Set lower bound as the maximum element. Set u…
Answer: Plaid Software Engineer OA 2026 | Transaction Processing, Fraud Detection Graphs by Sahil Jain • 0
Solution - Maximum Transaction Volume Strategy Aggregate transaction volumes by day and apply a sparse sliding window on the sorted u…
Answer: Datadog SDE OA 2026 | High-Frequency Error Alerting & Microservice Deployment De by Sahil Jain • 0
Solution - High-Frequency Error Alerting Strategy Use a variable-size sliding window on the sorted timestamps and maintain the count …
Answer: Nutanix OA 2026| Distributed Storage Allocation & Virtual Machine Migration by Sahil Jain • 0
Solution - Distributed Storage Allocation Strategy Maintain the minimum element of every sliding window of size k using a Monotonic I…
Answer: Twilio OA 2024 | Vanity Phone Numbers & Telecom Call Routing by Sahil Jain • 0
Solution - Vanity Phone Numbers Strategy Convert every vanity code into its numeric T9 representation and perform substring matching …
Answer: Booking.com OA 2024 | Concurrent Room Reservations & Top Rated Destinations by Sahil Jain • 0
Solution - Concurrent Room Reservations Strategy Use a Sweep Line algorithm by separating arrival and departure events and processing…

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